BIO 1030 Study Guide - Quiz Guide: Staphylococcus Epidermidis, Endoribonuclease, Orthomyxoviridae
Document Summary
Fall 2017: within hours of birth, a human infant"s mouth becomes colonized with nonpathogenic neisseria species, streptococcus, Actinomyces, lactobacillus and some yeasts: these organisms come from the environment surrounding the newborn, such as the mother"s skin and garments, as teeth emerge, anaerobes such as prevotella and. Some bacteria, such as helicobacter pylori, can survive in this habitat: although h. pylori has a remarkable ability to resist acidic ph, it will not grow at that ph. What is the consequence of being in a germ-free environment: as human health has improved in developing countries, unexplained new diseases have arisen. One hypothesis for this effect is called the. Fall 2017: helical symmetry; a helical tube around the genome, which is wound helically within the tube. The length may extend to 50 times its width, generating a flexible filament: tailed bacteriophages, in a tailed phage, the icosahedral protein package, called the. Head is attached to an elaborate delivery device.
